CN102719712A - Aluminum alloy material for processing plate-type heat exchanger fins - Google Patents
Aluminum alloy material for processing plate-type heat exchanger fins Download PDFInfo
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- CN102719712A CN102719712A CN2012102018072A CN201210201807A CN102719712A CN 102719712 A CN102719712 A CN 102719712A CN 2012102018072 A CN2012102018072 A CN 2012102018072A CN 201210201807 A CN201210201807 A CN 201210201807A CN 102719712 A CN102719712 A CN 102719712A
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Abstract
The invention provides an aluminum alloy material for processing plate-type heat exchanger fins. The aluminum alloy material is high in material strength and capable of effectively solving the problem of poor anti-collapse capability of existing plate-type heat exchanger fins processed by an aluminum alloy 3003 under the high-temperature brazing condition and effectively improving integral pressure-bearing capability of a machine core after welding. The aluminum alloy material is characterized by comprising, by weight, 0.8-1.2 parts of Si, not more than 0.7 part of Fe, 0.05-0.2 part of Cu, 1-1.5 parts of Mn, 0.08-0.25 part of Mg, not more than 0.2 part of Zn, not more than 0.1 part of Ti and the balance Al and other inevitable impurity trace elements, and the total parts by weight of all the components are 100 parts.
Description
Technical field
The present invention relates to the processing technique field of aluminum alloy materials, be specially a kind of aluminum alloy materials that is used to process board-like heat exchanger fin.
Background technology
3003 traditional duraluminums of many at present employings are processed board-like heat exchanger fin; Traditional its composition of 3003 aluminum alloy materials comprises that the gross weight umber is 100 parts a following material: silicon (Si)≤0.6 part; Iron (Fe)≤0.7 part, 0.05 part ~ 0.2 part copper (Cu), 1 part ~ 1.5 parts manganese (Mn); Zinc (Zn)≤0.1 part; All the other are aluminium (Al) and other impurity trace element, and wherein other impurity trace element is no more than 0.15 part, because the intensity of traditional 3003 aluminum alloy materials is lower; Particularly the slump resistance of the plate-type heat exchanger fin of the traditional 3003 aluminum alloy materials processing of employing can be relatively poor under the high temperature brazing condition, and welding back movement integral body bearing capacity is lower.
Summary of the invention
To the problems referred to above; The invention provides a kind of aluminum alloy materials that is used to process board-like heat exchanger fin; Its strength of materials is high; The existing problem that adopts plate-type heat exchanger fin anti-ability of subsiding under the high temperature brazing condition of 3003 duraluminums processing can be effectively solved, and the whole bearing capacity of welding back movement can be effectively improved.
Its technical scheme is such, it is characterized in that: it comprises that the gross weight umber is 100 parts a following material: 0.8 part～1.2 parts of silicon (Si), iron (Fe)≤0.7 part; 0.05 part～0.2 part of copper (Cu); 1 part～1.5 parts in manganese (Mn), 0.08 part～0.25 part in magnesium (Mg), zinc (Zn)≤0.2 part; Titanium (Ti)≤0.1 part, all the other are aluminium (Al) and other unavoidable impurities trace element.
It is further characterized in that: said other unavoidable impurities trace element is no more than 0.15 part; Single impurity is no more than 0.05 part in said other unavoidable impurities trace element.
Compare with the plate-type heat exchanger fin that adopts traditional 3003 aluminum alloy materials processing; Beneficial effect of the present invention is: its intensity of plate-type heat exchanger fin that under the same thickness conditions, adopts aluminum alloy materials of the present invention to make is higher, and particularly its slump resistance can be significantly increased under the high temperature brazing condition; Owing to added magnesium (Mg) element, thereby help the vacuum brazing technique of plate-type heat exchanger in the aluminum alloy materials of the present invention, make that the whole bearing capacity of movement after the welding is higher.
Embodiment
Embodiment one: a kind of aluminum alloy materials that is used to process board-like heat exchanger fin, and it comprises that the gross weight umber is 100 parts a following material: 0.8 part of silicon (Si), 0.35 part of iron (Fe); 0.05 part of copper (Cu); 1.25 parts in manganese (Mn), 0.25 part in magnesium (Mg), 0.006 part on zinc (Zn); 0.1 part of titanium (Ti); All the other are aluminium (Al) and other unavoidable impurities trace element, and wherein other unavoidable impurities trace element summation is no more than 0.15 part, and single impurity is no more than 0.05 part in other the inevitable impurity trace element.
Embodiment two: a kind of aluminum alloy materials that is used to process board-like heat exchanger fin, and it comprises that the gross weight umber is 100 parts a following material: 1.2 parts of silicon (Si), 0.01 part of iron (Fe); 0.2 part of copper (Cu); 1 part in manganese (Mn), 0.165 part in magnesium (Mg), 0.1 part on zinc (Zn); 0.05 part of titanium (Ti); All the other are aluminium (Al) and other unavoidable impurities trace element, and wherein other unavoidable impurities trace element summation is no more than 0.15 part, and single impurity is no more than 0.05 part in other impurity trace element.
Embodiment three: a kind of aluminum alloy materials that is used to process board-like heat exchanger fin, and it comprises that the gross weight umber is 100 parts a following material: 1 part of silicon (Si), 0.7 part of iron (Fe); 0.125 part of copper (Cu); 1.5 parts in manganese (Mn), 0.08 part in magnesium (Mg), 0.2 part on zinc (Zn); 0.01 part of titanium (Ti); All the other are aluminium (Al) and other unavoidable impurities trace element, and wherein other unavoidable impurities trace element summation is no more than 0.15 part, and single impurity is no more than 0.05 part in other impurity trace element.
When processing aluminum alloy materials of the present invention, greater than 99.7% fine aluminium ingot, copper additives, manganese additive, magnesium additive, zinc additive and titanium additives carry out proportioning by the massfraction of above-mentioned chemical ingredients with aluminium content; Carry out melting by calculating in the good weight input smelting furnace then; Smelting temperature is 730 ℃～760 ℃, by the time after aluminium ingot and additive all turn to aluminium liquid, fully stir; Stir and finish back sample examination chemical ingredients; The qualified rear converter of check chemical ingredients carries out the work of degasification deslagging refining, begins casting after the end, obtains the ingot casting of this alloy.Again that above-mentioned founding is good alloy cast ingot mills surface treatments such as face through sawing after; Be heated to about 500 ℃; Be hot rolled to about 7.0mm thickness, pass through technology to 0.1mm～0.3mm thickness left and right sides aluminium foil bands such as cold rolled annealed again, and cut different widths according to customer requirement.The present invention is used to process the aluminum alloy materials of board-like heat exchanger fin, and its room temperature tensile strength can reach 160MPa～200MPa, and ys is not less than 140MPa, and unit elongation is not less than 1%.
Claims (3)
1. aluminum alloy materials that is used to process board-like heat exchanger fin, it is characterized in that: it comprises that the gross weight umber is 100 parts a following material: 0.8 part～1.2 parts of silicon (Si), iron (Fe)≤0.7 part; 0.05 part～0.2 part of copper (Cu); 1 part～1.5 parts in manganese (Mn), 0.08 part～0.25 part in magnesium (Mg), zinc (Zn)≤0.2 part; Titanium (Ti)≤0.1 part, all the other are aluminium (Al) and other unavoidable impurities trace element.
2. a kind of aluminum alloy materials that is used to process board-like heat exchanger fin according to claim 1 is characterized in that: said other unavoidable impurities trace element is no more than 0.15 part.
3. a kind of aluminum alloy materials that is used to process board-like heat exchanger fin according to claim 2 is characterized in that: single impurity is no more than 0.05 part in said other unavoidable impurities trace element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102018072A CN102719712A (en) | 2012-06-19 | 2012-06-19 | Aluminum alloy material for processing plate-type heat exchanger fins |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102018072A CN102719712A (en) | 2012-06-19 | 2012-06-19 | Aluminum alloy material for processing plate-type heat exchanger fins |
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| Publication Number | Publication Date |
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| CN102719712A true CN102719712A (en) | 2012-10-10 |
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| CN2012102018072A Pending CN102719712A (en) | 2012-06-19 | 2012-06-19 | Aluminum alloy material for processing plate-type heat exchanger fins |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005220425A (en) * | 2004-02-09 | 2005-08-18 | Mitsubishi Alum Co Ltd | High strength aluminum alloy material for brazing used for heat exchanger |
| US20100086717A1 (en) * | 2006-11-14 | 2010-04-08 | Ria Van Den Broeck | Creep resistant aluminium alloy for multilayer tubes |
-
2012
- 2012-06-19 CN CN2012102018072A patent/CN102719712A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005220425A (en) * | 2004-02-09 | 2005-08-18 | Mitsubishi Alum Co Ltd | High strength aluminum alloy material for brazing used for heat exchanger |
| US20100086717A1 (en) * | 2006-11-14 | 2010-04-08 | Ria Van Den Broeck | Creep resistant aluminium alloy for multilayer tubes |
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| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhou Dejing Inventor after: Lv Jinming Inventor before: Lv Jinming Inventor before: Zhou Dejing |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LV JINMING ZHOU DEJING TO: ZHOU DEJING LV JINMING |
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Application publication date: 20121010 |